Image ready Issue

[Caged Anger]

I went and made a nice GIF for Rancid Monkey becuase I felt bad that I've ignored him. I went to save and went to hit the button, but every time i get this.

How can I get past this????????????????

[JIMINATOR]

you can't save it as anything? hmmmm..... that would suck big time..... i haven't seen it so i dunno....